diff --git a/pkgs/by-name/pr/prometheus-knot-exporter/package.nix b/pkgs/by-name/pr/prometheus-knot-exporter/package.nix
index e988a2ffd33a..b2bdf816640f 100644
--- a/pkgs/by-name/pr/prometheus-knot-exporter/package.nix
+++ b/pkgs/by-name/pr/prometheus-knot-exporter/package.nix
@@ -7,13 +7,13 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "knot-exporter";
-  version = "3.5.5";
+  version = "3.5.6";
   pyproject = true;
 
   src = fetchPypi {
     pname = "knot_exporter";
     inherit version;
-    hash = "sha256-4V7fIY5qgKFGSKoodRFgP8e0P0DDvsBPBmzP9TdG98A=";
+    hash = "sha256-jCBi/PHMizG/OkwuoCbkud5w+pgGumHwwGd8W5C4zXc=";
   };
 
   build-system = [